Recovery of ambulation was a focus of the study by Pajarinen et al,13 who compared a DHS with a proximal femoral nail (PFN) (Synthes, Oberdorf, Switzerland) in 108 patients.

• 行走能力的恢复是Pajarinen等人研究的重点，他们比较108例病人中DHS与PFN的疗效。